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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp16
1 files changed, 0 insertions, 16 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 45760ae15e4..d3989049432 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -70,15 +70,6 @@ static void AddImplicitInclude(MacroBuilder &Builder, StringRef File) {
Builder.append(Twine("#include \"") + File + "\"");
}
-/// AddImplicitSystemIncludeIfExists - Add an implicit system \#include of the
-/// specified file to the predefines buffer: precheck with __has_include.
-static void AddImplicitSystemIncludeIfExists(MacroBuilder &Builder,
- StringRef File) {
- Builder.append(Twine("#if __has_include( <") + File + ">)");
- Builder.append(Twine("#include <") + File + ">");
- Builder.append(Twine("#endif"));
-}
-
static void AddImplicitIncludeMacros(MacroBuilder &Builder, StringRef File) {
Builder.append(Twine("#__include_macros \"") + File + "\"");
// Marker token to stop the __include_macros fetch loop.
@@ -1142,13 +1133,6 @@ void clang::InitializePreprocessor(
if (!PP.getLangOpts().AsmPreprocessor)
Builder.append("# 1 \"<built-in>\" 2");
- // Process -fsystem-include-if-exists directives.
- for (unsigned i = 0,
- e = InitOpts.FSystemIncludeIfExists.size(); i != e; ++i) {
- const std::string &Path = InitOpts.FSystemIncludeIfExists[i];
- AddImplicitSystemIncludeIfExists(Builder, Path);
- }
-
// If -imacros are specified, include them now. These are processed before
// any -include directives.
for (unsigned i = 0, e = InitOpts.MacroIncludes.size(); i != e; ++i)
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